[ Grammar ]
Each one of them surfing the Internet(上網).
A. are
B. does
C. is
D. do

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Grammar : can, could and be able toAdjectives & AdverbsComparative AdjectiveFirst and Second ConditionalModals in the Past - Speculation and DeductionGrammar - to be, possessive, have gotCompliment, Congratulation, and HopeModals of Obligation & ProhibitionBecause / soParts of Speech and Compound SentencesOther quiz:
Regular vs. Irregular Verb › Vieweight _______ (elf)
A. Elves
B. Elfes
C. Elfs
Grammar › View
Sales of our computer software were good last quarter, but sales for our mobile applications have been even _____.
A. strongly
B. strongest
C. strong
D. stronger
Similes and Body Idioms › ViewChoose the word that best completes the simile.
The cloud was as fluffy as ___.
A. a marshmallow
B. a nail
C. sand paper
D. a porcupine
Grammar › View
____ the sun come up?
A. Was
B. Have
C. Has
